镯式镁合金牺牲阳极用途及型号：型号Model规格Specification长×外径×内径×厚度×阳极间距mm重量Weight（kg）MD-11460×185×115×605.5MD-159260×230×160×807.0MD-219260×290×220×1159.0MD-273260×344×274×14011.0MD-323260×395×325×17013.0)